GPF12.1W fits widescreen notebook computers with a diagonally measured 12.15" viewable screen; actual filter dimensions are 6 7/16" high x 10 5/16" wide. This filter is designed for widescreen laptop computers with screens that appear more rectangular than square and have a 16:10 aspect ratio. 3M Gold Privacy Filters provide nearly twice the level of effective privacy protection and 14% higher clarity than standard black out privacy filters. User sees more clearly than ever while on-lookers see nothing but a vibrant golden screen.